A ball is thrown from an initial height of 1 meter with an initial upward velocity of 20 m/s. The ball's height h (in meters) after t seconds is given by the following
h=1+201-51?
Find all values of t for which the ball's height is 11 meters.
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

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Write 37/22 as a decimal rounded to the nearest hundredth.